Toyota Tundra 2020: Turn Signals May Not Flash Brightly, Risk of Crash
Toyota recalls 2020 Tundra vehicles with faulty turn signals that may not flash brightly enough, increasing crash risk. Owners must have wire harness modified free by dealers.
Use caution until it’s fixed
If the turn signals or hazard lamps do not flash brightly enough, other drivers may fail to see that the turn signal or hazard lamp functions have been activated, increasing the risk of a crash.
Contact the company
What happened, in plain English
Toyota is recalling 2020 Tundra trucks that have turn signals which might not flash brightly enough. This could cause other drivers to miss the turn signal, raising crash risk. Affected vehicles need a free wire harness fix from dealers. Read more at govinfonow.com/recall/80135-toyota-tundra-2020-turn-signals-may-not-flash-brightly-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/80135-toyota-tundra-2020-turn-signals-may-not-flash-brightly-risk · Updated October 5, 2026 · Official notice: NHTSA #20V410000
Cite this page
“Toyota Tundra 2020: Turn Signals May Not Flash Brightly, Risk of Crash.” GovInfoNow, updated October 5, 2026. https://govinfonow.com/recall/80135-toyota-tundra-2020-turn-signals-may-not-flash-brightly-risk. Based on NHTSA recall #20V410000 (https://www.nhtsa.gov/recalls?nhtsaId=20V410000).
Why it’s dangerous
The wiring error causes front turn signals to flash too dimly. This means other drivers might not see the turn signal working, potentially leading to a crash.
Who’s affected
Owners of 2020 Toyota Tundra trucks with LED headlight assemblies are affected. Drivers using these vehicles without the fix are most at risk.
How to tell if you have this one
Check if your 2020 Toyota Tundra has LED headlight assemblies. The recall covers vehicles from 2018-2020 models.
- Brand
Toyota- Category
Vehicle
What to do — step by step
Contact Toyota
Call 1-800-270-9371 to confirm your vehicle is affected and schedule a fix.
Get Wire Harness Fix
Dealers will modify the wire harness connected to front turn signal bulbs at no cost.
What NHTSA says to do
Toyota will notify owners, and dealers will modify the wire harness connected to the front turn signal bulbs free of charge. The recall began August 17, 2020. Owners may contact Toyota customer service at 1-800-270-9371. Toyota's number for this recall is 20TB12/20TA12.
How this recall unfolded
Recall timeline
2 dated steps over 33 days.
- NHTSA received the defect report
- Recall began
Dates from the agency record only; steps without a date are left out.
Contact Toyota
We’ve drafted a message you can send Toyota to request your refund or repair — edit it as you like.
Subject: Recall 20V410000 — Toyota Tundra 2020: Turn Signals May Not Flash Brightly, Risk of Crash Hello, I own a Toyota Tundra 2020: Turn Signals May Not Flash Brightly, Risk of Crash that is covered by recall 20V410000 from Toyota. The official recall notice states: Toyota will notify owners, and dealers will modify the wire harness connected to the front turn signal bulbs free of charge. The recall began August 17, 2020. Owners may contact Toyota customer service at 1-800-270-9371. Toyota's number for this recall is 20TB12/20TA12. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
Keep exploring
Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #20V410000 (July 15, 2020)
- Plain-language summary written by qwen3:4b on October 5, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.